RRC porting

[Jake Chaplin]

Hi everyone, I've got a RRC inlet manifold but before I'm putting it on I'm wanting to put a 74mm throttle body on.

First question is can the RRC inlet be ported to 74mm? I think it can but not 100% sure

And second, which is the better throttle body the skunk2 or the hybrid racing?

Thanks

 

[integraleo]

You won't gain anything from a huge tb. Save your money,you will gain maybe 2-4hp

 

[Jake Chaplin]

It will need doing down the line anyway so may aswell do it now whilst I'm sorting out the breathing mods


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[Tegiwa Imports]

Hi everyone, I've got a RRC inlet manifold but before I'm putting it on I'm wanting to put a 74mm throttle body on.

First question is can the RRC inlet be ported to 74mm? I think it can but not 100% sure

And second, which is the better throttle body the skunk2 or the hybrid racing?

Thanks

I believe you can get very close, I'd possibly look at another manifold option though rather than porting. Look at the Skunk2 Ultra Street, its already 74mm

 

[Jake Chaplin]

I've had a look, it's just that I already have a RRC that's all.

Which is the best one to go for? RRC or the skunk2? Or another one?


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[Fez]

I guess it depends on your build. But if you think you'll need a 74mm TB later, then the Sk2 mani might be a better option... And looks way better lol.

Let me know if you want to sell the RRC 🙊😂

 

[Jake Chaplin]

I'll be boosting at some point so just want the best one

Message me an offer then if I decide to get the skunk2, it's brand new with adapter plate


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[integraleo]

Why are people obsessed with getting huge tb's? Really not needed on k20 guys. Ask ceri with her 370hp one still on oem tb

 

[Jake Chaplin]

Which is the best inlet manifold for these? For boosted?


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[hondamad2204]

Ive seen oem with over 400.

 

[kazmo]

Ive seen oem with over 400.

daves is way over 400 with oem inlet and tb i think....? best check though. waste of money upgrade if you intend to go FI

 

[hondamad2204]

daves is way over 400 with oem inlet and tb i think....? best check though. waste of money upgrade if you intend to go FI

Thats who i was referring to.

I imagine driving on a 74mm throttle body would ruin the useability of it too? I wouldn't bother atall either.

 

[Jake Chaplin]

Cheers for the feedback guys


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[beppe786]

Mines in stock mani 431hp

 

[DanM]

I was going to use an RRC with 74mm Skunk2 TB but fitted a Skunk2 intake and 70mm TB which seemed to work well, especially at higher revs.

I still have the RRC ported to 74mm and the matching 74mm Skunk2 TB if anyone fancies trying it out?

 

[Jake Chaplin]

That's literally what I've got now, got an RRC which will be getting ported to the 74mm to match the 74mm skunk2.

Will see how it goes


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